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Add locking for ASInterfaceState. Misc. cleanup.

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This commit is contained in:
Scott Goodson
2015-11-29 14:57:43 -08:00
parent fb9f37b293
commit 254f55b758
5 changed files with 68 additions and 65 deletions
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17
AsyncDisplayKit/ASDisplayNodeExtras.h
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@@ -24,13 +24,18 @@ extern ASDisplayNode *ASLayerToDisplayNode(CALayer *layer);
*/
extern ASDisplayNode *ASViewToDisplayNode(UIView *view);
/**
Given a node, returns the root of the node heirarchy (where supernode == nil)
*/
extern ASDisplayNode *ASDisplayNodeUltimateParentOfNode(ASDisplayNode *node);
/**
This function will walk the layer heirarchy, spanning discontinuous sections of the node heirarchy (e.g. the layers
of UIKit intermediate views in UIViewControllers, UITableView, UICollectionView).
In the event that a node's backing layer is not created yet, the function will only walk the direct subnodes instead
of forcing the layer heirarchy to be created.
*/
void ASDisplayNodePerformBlockOnEveryNode(CALayer *layer, ASDisplayNode *node, void(^block)(ASDisplayNode *node));
extern void ASDisplayNodePerformBlockOnEveryNode(CALayer *layer, ASDisplayNode *node, void(^block)(ASDisplayNode *node));
/**
Given a display node, traverses up the layer tree hierarchy, returning the first display node that passes block.
@@ -42,6 +47,16 @@ extern id ASDisplayNodeFind(ASDisplayNode *node, BOOL (^block)(ASDisplayNode *no
*/
extern id ASDisplayNodeFindClass(ASDisplayNode *start, Class c);
/**
* Given two nodes, finds their most immediate common parent. Used for geometry conversion methods.
* NOTE: It is an error to try to convert between nodes which do not share a common ancestor. This behavior is
* disallowed in UIKit documentation and the behavior is left undefined. The output does not have a rigorously defined
* failure mode (i.e. returning CGPointZero or returning the point exactly as passed in). Rather than track the internal
* undefined and undocumented behavior of UIKit in ASDisplayNode, this operation is defined to be incorrect in all
* circumstances and must be fixed wherever encountered.
*/
extern ASDisplayNode *ASDisplayNodeFindClosestCommonAncestor(ASDisplayNode *node1, ASDisplayNode *node2);
/**
Given a display node, collects all descendents. This is a specialization of ASCollectContainer() that walks the Core Animation layer tree as opposed to the display node tree, thus supporting non-continues display node hierarchies.
*/